X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fixgbe%2Fixgbe_pf.c;h=c0d86c7689b242980b0054fdd63318c0379926b6;hb=f60a9f98ec219c826a5de8ebb2d7d5436733ac29;hp=fd1c4ca67cb6d4c133ce65f093abba6522c11472;hpb=2866c5f1b87e71badcaf4e9868c7e8a63e64eb5b;p=dpdk.git

diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c
index fd1c4ca67c..c0d86c7689 100644
--- a/drivers/net/ixgbe/ixgbe_pf.c
+++ b/drivers/net/ixgbe/ixgbe_pf.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -51,15 +51,19 @@
 
 #include "base/ixgbe_common.h"
 #include "ixgbe_ethdev.h"
+#include "rte_pmd_ixgbe.h"
 
 #define IXGBE_MAX_VFTA     (128)
 #define IXGBE_VF_MSG_SIZE_DEFAULT 1
 #define IXGBE_VF_GET_QUEUE_MSG_SIZE 5
+#define IXGBE_ETHERTYPE_FLOW_CTRL 0x8808
 
 static inline uint16_t
 dev_num_vf(struct rte_eth_dev *eth_dev)
 {
-	return eth_dev->pci_dev->max_vfs;
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+
+	return pci_dev->max_vfs;
 }
 
 static inline
@@ -96,9 +100,9 @@ void ixgbe_pf_host_init(struct rte_eth_dev *eth_dev)
 	struct ixgbe_vf_info **vfinfo =
 		IXGBE_DEV_PRIVATE_TO_P_VFDATA(eth_dev->data->dev_private);
 	struct ixgbe_mirror_info *mirror_info =
-        IXGBE_DEV_PRIVATE_TO_PFDATA(eth_dev->data->dev_private);
+	IXGBE_DEV_PRIVATE_TO_PFDATA(eth_dev->data->dev_private);
 	struct ixgbe_uta_info *uta_info =
-        IXGBE_DEV_PRIVATE_TO_UTA(eth_dev->data->dev_private);
+	IXGBE_DEV_PRIVATE_TO_UTA(eth_dev->data->dev_private);
 	struct ixgbe_hw *hw =
 		IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
 	uint16_t vf_num;
@@ -107,15 +111,16 @@ void ixgbe_pf_host_init(struct rte_eth_dev *eth_dev)
 	PMD_INIT_FUNC_TRACE();
 
 	RTE_ETH_DEV_SRIOV(eth_dev).active = 0;
-	if (0 == (vf_num = dev_num_vf(eth_dev)))
+	vf_num = dev_num_vf(eth_dev);
+	if (vf_num == 0)
 		return;
 
 	*vfinfo = rte_zmalloc("vf_info", sizeof(struct ixgbe_vf_info) * vf_num, 0);
 	if (*vfinfo == NULL)
 		rte_panic("Cannot allocate memory for private VF data\n");
 
-	memset(mirror_info,0,sizeof(struct ixgbe_mirror_info));
-	memset(uta_info,0,sizeof(struct ixgbe_uta_info));
+	memset(mirror_info, 0, sizeof(struct ixgbe_mirror_info));
+	memset(uta_info, 0, sizeof(struct ixgbe_uta_info));
 	hw->mac.mc_filter_type = 0;
 
 	if (vf_num >= ETH_32_POOLS) {
@@ -140,8 +145,6 @@ void ixgbe_pf_host_init(struct rte_eth_dev *eth_dev)
 
 	/* set mb interrupt mask */
 	ixgbe_mb_intr_setup(eth_dev);
-
-	return;
 }
 
 void ixgbe_pf_host_uninit(struct rte_eth_dev *eth_dev)
@@ -166,6 +169,55 @@ void ixgbe_pf_host_uninit(struct rte_eth_dev *eth_dev)
 	*vfinfo = NULL;
 }
 
+static void
+ixgbe_add_tx_flow_control_drop_filter(struct rte_eth_dev *eth_dev)
+{
+	struct ixgbe_hw *hw =
+		IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+	struct ixgbe_filter_info *filter_info =
+		IXGBE_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
+	uint16_t vf_num;
+	int i;
+	struct ixgbe_ethertype_filter ethertype_filter;
+
+	if (!hw->mac.ops.set_ethertype_anti_spoofing) {
+		RTE_LOG(INFO, PMD, "ether type anti-spoofing is not"
+			" supported.\n");
+		return;
+	}
+
+	i = ixgbe_ethertype_filter_lookup(filter_info,
+					  IXGBE_ETHERTYPE_FLOW_CTRL);
+	if (i >= 0) {
+		RTE_LOG(ERR, PMD, "A ether type filter"
+			" entity for flow control already exists!\n");
+		return;
+	}
+
+	ethertype_filter.ethertype = IXGBE_ETHERTYPE_FLOW_CTRL;
+	ethertype_filter.etqf = IXGBE_ETQF_FILTER_EN |
+				IXGBE_ETQF_TX_ANTISPOOF |
+				IXGBE_ETHERTYPE_FLOW_CTRL;
+	ethertype_filter.etqs = 0;
+	ethertype_filter.conf = TRUE;
+	i = ixgbe_ethertype_filter_insert(filter_info,
+					  &ethertype_filter);
+	if (i < 0) {
+		RTE_LOG(ERR, PMD, "Cannot find an unused ether type filter"
+			" entity for flow control.\n");
+		return;
+	}
+
+	IXGBE_WRITE_REG(hw, IXGBE_ETQF(i),
+			(IXGBE_ETQF_FILTER_EN |
+			IXGBE_ETQF_TX_ANTISPOOF |
+			IXGBE_ETHERTYPE_FLOW_CTRL));
+
+	vf_num = dev_num_vf(eth_dev);
+	for (i = 0; i < vf_num; i++)
+		hw->mac.ops.set_ethertype_anti_spoofing(hw, true, i);
+}
+
 int ixgbe_pf_host_configure(struct rte_eth_dev *eth_dev)
 {
 	uint32_t vtctl, fcrth;
@@ -178,7 +230,8 @@ int ixgbe_pf_host_configure(struct rte_eth_dev *eth_dev)
 	uint32_t vlanctrl;
 	int i;
 
-	if (0 == (vf_num = dev_num_vf(eth_dev)))
+	vf_num = dev_num_vf(eth_dev);
+	if (vf_num == 0)
 		return -1;
 
 	/* enable VMDq and set the default pool for PF */
@@ -194,9 +247,9 @@ int ixgbe_pf_host_configure(struct rte_eth_dev *eth_dev)
 	vfre_slot = (vf_num >> VFRE_SHIFT) > 0 ? 1 : 0;
 
 	/* Enable pools reserved to PF only */
-	IXGBE_WRITE_REG(hw, IXGBE_VFRE(vfre_slot), (~0) << vfre_offset);
+	IXGBE_WRITE_REG(hw, IXGBE_VFRE(vfre_slot), (~0U) << vfre_offset);
 	IXGBE_WRITE_REG(hw, IXGBE_VFRE(vfre_slot ^ 1), vfre_slot - 1);
-	IXGBE_WRITE_REG(hw, IXGBE_VFTE(vfre_slot), (~0) << vfre_offset);
+	IXGBE_WRITE_REG(hw, IXGBE_VFTE(vfre_slot), (~0U) << vfre_offset);
 	IXGBE_WRITE_REG(hw, IXGBE_VFTE(vfre_slot ^ 1), vfre_slot - 1);
 
 	/* PFDMA Tx General Switch Control Enables VMDQ loopback */
@@ -238,19 +291,18 @@ int ixgbe_pf_host_configure(struct rte_eth_dev *eth_dev)
 	}
 
 	IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, gcr_ext);
-        IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
+	IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
 
-        /*
+	/*
 	 * enable vlan filtering and allow all vlan tags through
 	 */
-        vlanctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
-        vlanctrl |= IXGBE_VLNCTRL_VFE ; /* enable vlan filters */
-        IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlanctrl);
+	vlanctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+	vlanctrl |= IXGBE_VLNCTRL_VFE; /* enable vlan filters */
+	IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlanctrl);
 
-        /* VFTA - enable all vlan filters */
-        for (i = 0; i < IXGBE_MAX_VFTA; i++) {
-                IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 0xFFFFFFFF);
-        }
+	/* VFTA - enable all vlan filters */
+	for (i = 0; i < IXGBE_MAX_VFTA; i++)
+		IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 0xFFFFFFFF);
 
 	/* Enable MAC Anti-Spoofing */
 	hw->mac.ops.set_mac_anti_spoofing(hw, FALSE, vf_num);
@@ -262,14 +314,15 @@ int ixgbe_pf_host_configure(struct rte_eth_dev *eth_dev)
 		IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), fcrth);
 	}
 
+	ixgbe_add_tx_flow_control_drop_filter(eth_dev);
+
 	return 0;
 }
 
 static void
 set_rx_mode(struct rte_eth_dev *dev)
 {
-	struct rte_eth_dev_data *dev_data =
-		(struct rte_eth_dev_data*)dev->data->dev_private;
+	struct rte_eth_dev_data *dev_data = dev->data;
 	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	u32 fctrl, vmolr = IXGBE_VMOLR_BAM | IXGBE_VMOLR_AUPE;
 	uint16_t vfn = dev_num_vf(dev);
@@ -344,15 +397,27 @@ ixgbe_vf_reset_msg(struct rte_eth_dev *dev, uint16_t vf)
 	uint32_t reg_offset, vf_shift;
 	const uint8_t VFRE_SHIFT = 5;  /* VFRE 32 bits per slot */
 	const uint8_t VFRE_MASK = (uint8_t)((1U << VFRE_SHIFT) - 1);
+	uint8_t  nb_q_per_pool;
+	int i;
 
 	vf_shift = vf & VFRE_MASK;
 	reg_offset = (vf >> VFRE_SHIFT) > 0 ? 1 : 0;
 
-	/* enable transmit and receive for vf */
+	/* enable transmit for vf */
 	reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
 	reg |= (reg | (1 << vf_shift));
 	IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
 
+	/* enable all queue drop for IOV */
+	nb_q_per_pool = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool;
+	for (i = vf * nb_q_per_pool; i < (vf + 1) * nb_q_per_pool; i++) {
+		IXGBE_WRITE_FLUSH(hw);
+		reg = IXGBE_QDE_ENABLE | IXGBE_QDE_WRITE;
+		reg |= i << IXGBE_QDE_IDX_SHIFT;
+		IXGBE_WRITE_REG(hw, IXGBE_QDE, reg);
+	}
+
+	/* enable receive for vf */
 	reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
 	reg |= (reg | (1 << vf_shift));
 	IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
@@ -365,6 +430,40 @@ ixgbe_vf_reset_msg(struct rte_eth_dev *dev, uint16_t vf)
 	ixgbe_vf_reset_event(dev, vf);
 }
 
+static int
+ixgbe_enable_vf_mc_promisc(struct rte_eth_dev *dev, uint32_t vf)
+{
+	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t vmolr;
+
+	vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
+
+	RTE_LOG(INFO, PMD, "VF %u: enabling multicast promiscuous\n", vf);
+
+	vmolr |= IXGBE_VMOLR_MPE;
+
+	IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
+
+	return 0;
+}
+
+static int
+ixgbe_disable_vf_mc_promisc(struct rte_eth_dev *dev, uint32_t vf)
+{
+	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t vmolr;
+
+	vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
+
+	RTE_LOG(INFO, PMD, "VF %u: disabling multicast promiscuous\n", vf);
+
+	vmolr &= ~IXGBE_VMOLR_MPE;
+
+	IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
+
+	return 0;
+}
+
 static int
 ixgbe_vf_reset(struct rte_eth_dev *dev, uint16_t vf, uint32_t *msgbuf)
 {
@@ -379,6 +478,9 @@ ixgbe_vf_reset(struct rte_eth_dev *dev, uint16_t vf, uint32_t *msgbuf)
 
 	hw->mac.ops.set_rar(hw, rar_entry, vf_mac, vf, IXGBE_RAH_AV);
 
+	/* Disable multicast promiscuous at reset */
+	ixgbe_disable_vf_mc_promisc(dev, vf);
+
 	/* reply to reset with ack and vf mac address */
 	msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK;
 	rte_memcpy(new_mac, vf_mac, ETHER_ADDR_LEN);
@@ -401,7 +503,7 @@ ixgbe_vf_set_mac_addr(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 	int rar_entry = hw->mac.num_rar_entries - (vf + 1);
 	uint8_t *new_mac = (uint8_t *)(&msgbuf[1]);
 
-	if (is_valid_assigned_ether_addr((struct ether_addr*)new_mac)) {
+	if (is_valid_assigned_ether_addr((struct ether_addr *)new_mac)) {
 		rte_memcpy(vfinfo[vf].vf_mac_addresses, new_mac, 6);
 		return hw->mac.ops.set_rar(hw, rar_entry, new_mac, vf, IXGBE_RAH_AV);
 	}
@@ -409,7 +511,7 @@ ixgbe_vf_set_mac_addr(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 }
 
 static int
-ixgbe_vf_set_multicast(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *msgbuf)
+ixgbe_vf_set_multicast(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 {
 	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	struct ixgbe_vf_info *vfinfo =
@@ -425,6 +527,9 @@ ixgbe_vf_set_multicast(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32
 	uint32_t reg_val;
 	int i;
 
+	/* Disable multicast promiscuous first */
+	ixgbe_disable_vf_mc_promisc(dev, vf);
+
 	/* only so many hash values supported */
 	nb_entries = RTE_MIN(nb_entries, IXGBE_MAX_VF_MC_ENTRIES);
 
@@ -462,7 +567,7 @@ ixgbe_vf_set_vlan(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 		vfinfo[vf].vlan_count++;
 	else if (vfinfo[vf].vlan_count)
 		vfinfo[vf].vlan_count--;
-	return hw->mac.ops.set_vfta(hw, vid, vf, (bool)add);
+	return hw->mac.ops.set_vfta(hw, vid, vf, (bool)add, false);
 }
 
 static int
@@ -476,7 +581,8 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms
 	/* X540 and X550 support jumbo frames in IOV mode */
 	if (hw->mac.type != ixgbe_mac_X540 &&
 		hw->mac.type != ixgbe_mac_X550 &&
-		hw->mac.type != ixgbe_mac_X550EM_x)
+		hw->mac.type != ixgbe_mac_X550EM_x &&
+		hw->mac.type != ixgbe_mac_X550EM_a)
 		return -1;
 
 	if ((max_frame < ETHER_MIN_LEN) || (max_frame > ETHER_MAX_JUMBO_FRAME_LEN))
@@ -502,6 +608,7 @@ ixgbe_negotiate_vf_api(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 	switch (api_version) {
 	case ixgbe_mbox_api_10:
 	case ixgbe_mbox_api_11:
+	case ixgbe_mbox_api_12:
 		vfinfo[vf].api_version = (uint8_t)api_version;
 		return 0;
 	default:
@@ -525,6 +632,7 @@ ixgbe_get_vf_queues(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 	switch (vfinfo[vf].api_version) {
 	case ixgbe_mbox_api_20:
 	case ixgbe_mbox_api_11:
+	case ixgbe_mbox_api_12:
 		break;
 	default:
 		return -1;
@@ -545,6 +653,26 @@ ixgbe_get_vf_queues(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 	return 0;
 }
 
+static int
+ixgbe_set_vf_mc_promisc(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
+{
+	struct ixgbe_vf_info *vfinfo =
+		*(IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private));
+	bool enable = !!msgbuf[1];	/* msgbuf contains the flag to enable */
+
+	switch (vfinfo[vf].api_version) {
+	case ixgbe_mbox_api_12:
+		break;
+	default:
+		return -1;
+	}
+
+	if (enable)
+		return ixgbe_enable_vf_mc_promisc(dev, vf);
+	else
+		return ixgbe_disable_vf_mc_promisc(dev, vf);
+}
+
 static int
 ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
 {
@@ -555,6 +683,7 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
 	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	struct ixgbe_vf_info *vfinfo =
 		*IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private);
+	struct rte_pmd_ixgbe_mb_event_param ret_param;
 
 	retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
 	if (retval) {
@@ -569,26 +698,56 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
 	/* flush the ack before we write any messages back */
 	IXGBE_WRITE_FLUSH(hw);
 
+	/**
+	 * initialise structure to send to user application
+	 * will return response from user in retval field
+	 */
+	ret_param.retval = RTE_PMD_IXGBE_MB_EVENT_PROCEED;
+	ret_param.vfid = vf;
+	ret_param.msg_type = msgbuf[0] & 0xFFFF;
+	ret_param.msg = (void *)msgbuf;
+
 	/* perform VF reset */
 	if (msgbuf[0] == IXGBE_VF_RESET) {
 		int ret = ixgbe_vf_reset(dev, vf, msgbuf);
+
 		vfinfo[vf].clear_to_send = true;
+
+		/* notify application about VF reset */
+		_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_VF_MBOX,
+					      NULL, &ret_param);
 		return ret;
 	}
 
+	/**
+	 * ask user application if we allowed to perform those functions
+	 * if we get ret_param.retval == RTE_PMD_IXGBE_MB_EVENT_PROCEED
+	 * then business as usual,
+	 * if 0, do nothing and send ACK to VF
+	 * if ret_param.retval > 1, do nothing and send NAK to VF
+	 */
+	_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_VF_MBOX,
+				      NULL, &ret_param);
+
+	retval = ret_param.retval;
+
 	/* check & process VF to PF mailbox message */
 	switch ((msgbuf[0] & 0xFFFF)) {
 	case IXGBE_VF_SET_MAC_ADDR:
-		retval = ixgbe_vf_set_mac_addr(dev, vf, msgbuf);
+		if (retval == RTE_PMD_IXGBE_MB_EVENT_PROCEED)
+			retval = ixgbe_vf_set_mac_addr(dev, vf, msgbuf);
 		break;
 	case IXGBE_VF_SET_MULTICAST:
-		retval = ixgbe_vf_set_multicast(dev, vf, msgbuf);
+		if (retval == RTE_PMD_IXGBE_MB_EVENT_PROCEED)
+			retval = ixgbe_vf_set_multicast(dev, vf, msgbuf);
 		break;
 	case IXGBE_VF_SET_LPE:
-		retval = ixgbe_set_vf_lpe(dev, vf, msgbuf);
+		if (retval == RTE_PMD_IXGBE_MB_EVENT_PROCEED)
+			retval = ixgbe_set_vf_lpe(dev, vf, msgbuf);
 		break;
 	case IXGBE_VF_SET_VLAN:
-		retval = ixgbe_vf_set_vlan(dev, vf, msgbuf);
+		if (retval == RTE_PMD_IXGBE_MB_EVENT_PROCEED)
+			retval = ixgbe_vf_set_vlan(dev, vf, msgbuf);
 		break;
 	case IXGBE_VF_API_NEGOTIATE:
 		retval = ixgbe_negotiate_vf_api(dev, vf, msgbuf);
@@ -597,6 +756,10 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
 		retval = ixgbe_get_vf_queues(dev, vf, msgbuf);
 		msg_size = IXGBE_VF_GET_QUEUE_MSG_SIZE;
 		break;
+	case IXGBE_VF_UPDATE_XCAST_MODE:
+		if (retval == RTE_PMD_IXGBE_MB_EVENT_PROCEED)
+			retval = ixgbe_set_vf_mc_promisc(dev, vf, msgbuf);
+		break;
 	default:
 		PMD_DRV_LOG(DEBUG, "Unhandled Msg %8.8x", (unsigned)msgbuf[0]);
 		retval = IXGBE_ERR_MBX;